Mary Tressel

Mary successfully led Armanino's B Corporation certification journey, establishing Armanino as the largest B Corp accounting firm globally. She brings the deep experience of responding to one of the most complex environmental, social and governance verification frameworks to our firm. She is also the co-author of Empowered: The Secret to Armanino’s Success.

Mary is an award-winning and results-oriented communications,  strategy and project management professional with experience in the professional services, healthcare, financial services, technology and nonprofit sectors. She leads Armanino’s internal communications team and the firm’s corporate foundation, delivering on Armanino’s purpose to be the most innovative and entrepreneurial firm that makes a positive impact on the lives of its clients, people and community. She introduced innovative programs such as Volunteer Vacations, Financial Literacy and Virtual Volunteering to drive employee and community engagement.